Waec 2016 BIOLOGY PRACTICAL ALT. A Answers – May/June Expo - Gidifans

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BIOLOGY PRACTICAL ANSWERS
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1a)
OBSERVATION
i) blue-black colour was observed precipitate
RESULT
i) starch is present

1bi)
TABULATE
Specimen A:
-Mould is absent
-Sporangium is absent
Specimen B:
-Mould is present
-Sporangium is absent
1bii)
-Presence of moisture
-Suitable temperature for the growth of mould
1biii)
-Mould
1biv)
Saprophytic
1ci)
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[CLICK HERE]
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1cii)
Yolk:Supply nutrient to the embryo
Air space:Provide air for the developing embryo
Shell:Give shape and protection to the embryo
Chalaza:Hold and suspend the embryo in position
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2a)
i)H= upper abdominal region
ii)K = thoracic region
iii)M = lower abdominal region
2bi)
i)BILE
2bii)
i)it emulsifies fat & oils
ii)provide alkaline medium for digestion of food
2biii)
i)H = Liver
2ci)
i)Dark brown in color
ii)dense and bulky
SPECIMEN K
i)Reddish in color
ii)it is soft & moist
2cii)
i)has large surface area
ii)it supplied in blood vessel
2d)
i)K = For respiration
ii)M = Excretion of wate product
2e)
CLICK HERE
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3) FOR GHANA ONLY
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4ai)
i)S-partly aquatic&terrestrial
ii)U-terrestrial (usually in uncompleted building)
iii)W-open grassland/gardens/farmland/forest
4aii)
i)S-amphibia
ii)U-reptilia
iii)W-insecta
4bi)
i) presence of two pairs of limbs
ii) presence of typacium
iii) presence of head with two eye
iv) a wide mouth with sticky tongue
4ci)
male
4cii)
i) it has a brightly colour head
ii) it has gular fold
4d)
i)It has webbed teeth for swimming
ii)Presence of mouth with sticky tongue
iii)possession of poision gland for protection
iv)Dark brown skin camonflag
4e)
grass—->locust—->toad
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39 Comments
  1. Vickki says:

    Tanks 4 all things u ave done pls biology practical answer

  2. Sunny king ? says:

    Dead men

  3. gidifans? says:

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    fr

  4. Anonymous says:

    Please Help Us ( we that did not have money to sucribe) u will not fail

  5. Aminu Rabi'u Garun-Gudinya says:

    THAT IS GOOD

  6. ijeoma says:

    pls always check your answer very well cuz the obj is sometimes wrong, thanks

  7. Tochukwu ifeanyi says:

    072

  8. Yunusa yusuf M says:

    I need biology practical answers

  9. dray says:

    Abeg post biology practical

  10. James says:

    Pls help me with d biology prabtical answer.

  11. Omaga says:

    (1a)carbohydrate
    (1b)
    ans:
    1. under low
    temperature
    2. in the presence of
    moisture
    (1c) spec. A – ansbr /> energy giving food.
    (1d).
    specimen B from A ansbr /> (1). kingdom – plantae
    (2). phylum-thallophyta
    (3). class – fungi
    (1e).
    (1.) rhizoids
    (2.) sporangiospores
    (3.) sporangia
    (4) mycelium
    (5.) hyphae
    (1f). identify the nutrient present in
    spec. C – ans: protein
    (1g).
    spec C – ansbr /> (1.) presence of thick/hard shell
    (2.) presence of chalaza which holds
    the yolk in position
    (3.) presence of a yolky centre
    (4.) presence of a whitish albumen.
    (1h). draw a well labelled diagram of
    the features in spec. C (view the
    diagram below)
    (1i).
    spec. D – ansbr /> protein
    (1j)
    (1.) fowl
    (2.) ostrich
    (3.) owl
    (4.) duck
    (5.) turkey
    (1k). spec. E
    – ans: vitaminc
    (1L)of spec.
    E – ans: (1.) has many seeds
    (2.) has rough epicarp (3.) has succulent
    mesocarp
    (4.) has thick epicarp
    (1m). spec. E – ansbr /> superficial plantation
    (1n). Spec E
    belongs? – ansbr /> berry fruit
    (1o) draw a well labelled diagram of
    spec. E (diagram will be sent below )

    get more on 247answers.tk

  12. Chiboy says:

    Pls help us

  13. Hardemola says:

    pls hep us wit this pratical

  14. DDOLLAR says:

    we need more please

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    U nid to b kieful wit all ur deeds pls. Som1 out die is watchn

  16. Mahthoky says:

    Yhu ar ten much

  17. chidinma says:

    Ur works of god’s is OK but plz let d answers be complete

  18. Chinagorom says:

    You people are too much thank you very much

  19. Chinagorom says:

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  20. chidinma says:

    Pls help me in no three question

  21. Sunny Lyon says:

    thanks eniway

  22. michael says:

    Tankz

  23. Anonymous says:

    God pls bless gidifans.u are the best

  24. mountian says:

    Diagram please

  25. Uzzi says:

    Thanks for your contribution torward tg this exams bcuz we got the answer free of charge.we were very happy (especially we that have no money for surbscrption)GOD BLESS U

  26. Emir3d says:

    No problem

  27. doctor says:

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  28. Andson says:

    Thank you all, God be with you, as long as you give student the best answers to copy. Blessed will you remain.

  29. Lawal Ayobami Shababu says:

    please send answer to me as usual now

  30. Lawal Ayobami Shababu says:

    I need answer pls

  31. Yusuf says:

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  32. dr ordu emmanuel says:

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  33. Sani hussain says:

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  36. God bless u gidifans says:

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